RE: Multicast - Auto-RP Listener running in Sparse-Mode

From: Chris Gray (chris.gray@ozonenetworks.net)
Date: Wed Jun 04 2008 - 04:16:38 ART


HI Nit,

I would bet 100% that 228.200.200.201 is coming from one of your Dynampis
devices. I have not seen this before and the numbers look to 'convenient' to
be real.

KRIZ

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Nitro Drops
Sent: 03 June 2008 23:44
To: ccielab@groupstudy.com
Subject: Multicast - Auto-RP Listener running in Sparse-Mode

Hi All,
 
Just to confirm on my understanding, was practising multicasting just now.
 
Without "ip pim autorp listener" configured on the routers (RP/Mapping
Agents/Transit) running in sparse-mode,
 
(*,224.0.140) & (*,224.0.139) can still flow on all routers (RP/Mapping
Agents/Transit) even though the routers are configured for sparse mode.
 
Only when "ip pim autorp listener" configured on the routers (RP/Mapping
Agents/Transit), only then
(S,224.0.140) & (S,224.0.139) can flow on all routers (Mapping
Agents/Transit).
 
 
Also, in a few of my routers, i can see (*,228.200.200.201), tried to google
for this multicast address, but cant find any information. Am using dynamips
for practising.
 
Thanks for any kind replies.
 
 
Cheers
Nit
 



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